Finding the Fourth Proportional to 42,007.55, 57,971.09 and 23,144.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,007.55 : 57,971.09 = 23,144.67 : x
2. Step 2: Convert to fraction form
   42,007.55/57,971.09 = 23,144.67/x
3. Step 3: Cross multiply
   42,007.55x = 57,971.09 × 23,144.67
4. Step 4: Simplify right side
   42,007.55x = 1,341,721,805.45
5. Step 5: Solve for x
   x = 1,341,721,805.45/42,007.55
6. Step 6: Final answer
   x = 31,940.02